From abaa348901c668542cf730e466b2c4f5e7c7c888 Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Mon, 31 Oct 2011 14:35:44 -0400
Subject: [PATCH] Adds -random_fec option to randomly add FEC to some frames.
Undocumented for now
---
src/opus_demo.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/opus_demo.c b/src/opus_demo.c
index 7c161600d..f97648c0d 100644
--- a/src/opus_demo.c
+++ b/src/opus_demo.c
@@ -142,6 +142,7 @@ int main(int argc, char *argv[])
int sweep_bps = 0;
int random_framesize=0, newsize=0, delayed_celt=0;
int sweep_max=0, sweep_min=0;
+ int random_fec=0;
if (argc < 5 )
{
@@ -297,6 +298,10 @@ int main(int argc, char *argv[])
check_encoder_option(decode_only, "-sweep_max");
sweep_max = atoi( argv[ args + 1 ] );
args += 2;
+ } else if( STR_CASEINSENSITIVE_COMPARE( argv[ args ], "-random_fec" ) == 0 ) {
+ check_encoder_option(decode_only, "-random_fec");
+ random_fec = 1;
+ args++;
} else {
printf( "Error: unrecognized setting: %s\n\n", argv[ args ] );
print_usage( argv );
@@ -431,6 +436,10 @@ int main(int argc, char *argv[])
frame_size = newsize;
}
}
+ if (random_fec && rand()%30==0)
+ {
+ opus_encoder_ctl(enc, OPUS_SET_INBAND_FEC(rand()%4==0));
+ }
if (decode_only)
{
unsigned char ch[4];
--
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